Replacement for low frequent colors with minimum variance quantization.

Abstract

<p>(<b>A</b>) Minimum variance quantized <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0112475#pone-0112475-g002" target="_blank">Fig. 2</a><b>A</b>. (<b>B</b>) Color histogram of the image in <b>A</b>. (<b>C</b>) Full resolution output image resulting from the retained high frequent colors. (<b>D</b>) Color histogram of <b>C</b>.</p